piece bob simon did for 60 minutes showing you conducting a youth orchestra in la. >> uh-huh. >> rose: during a practice. here it is. >> on saturdays all the kids get together in an orchestra. today we were there, so was gustavo, who has been conducting youth orchestras back in venezuela since he was 13 and has his own way to get musicians to understand the music. >> what do you want to play first? >> ah, okay. one, and -- no, no, no, tempo, together. la, la, la. la, la, la. it is like a man talking to a girl, you know. la, la, la re fa. >> do re mi. >> maybe. okay. none of these kids knew anything about classical music before they came here. but gustavo knows that the program does a lot more than teach music, it builds character, discipline and teamwork. and he keeps kids off the streets. >> it is how we started, i remember this overture, would play, you know, i play as a child, and it is amazing, because to see the transformation of these children, not because of the rehearsal, it is because the power of music, how it can change the life, and what you cannot see there is the paren